Top USDA plumbing, heating, and air-conditioning contractors contractors
In the 12 months ending Oct 5, 2026, the Department of Agriculture obligated $81.5M in net prime contract dollars under NAICS 238220, up 19.0% from $68.5M in the preceding 12 months. 173 prime contractors received positive obligations, and 16 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Agriculture. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top USDA contractors for NAICS 238220
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Mill Creek Firelake JV LLC | $25.3M | $12.0M | 30.8% | — |
| 2 | SH Mechanical Inc. | $7.3M | $0 | 8.9% | New |
| 3 | Covington Firelake JV, LLC | $4.2M | $0 | 5.1% | New |
| 4 | Ettm JV LLC | $4.0M | $2.9M | 4.9% | ▲ 4 |
| 5 | Phelan Construction LLC | $3.4M | $0 | 4.1% | New |
| 6 | Williams Diversified LLC | $3.3M | $0 | 4.0% | New |
| 7 | Mckenzie Construction & Site Development LLC | $2.6M | $6.9M | 3.2% | ▼ 4 |
| 8 | 2a LLC | $2.5M | $5.2M | 3.0% | ▼ 3 |
| 9 | Precision & Co Contractors LLC | $2.4M | $0 | 2.9% | New |
| 10 | DCM Architecture & Engineering, LLC | $2.3M | $0 | 2.8% | New |
| 11 | Alef Synergy Mechanical Corp. | $1.8M | $0 | 2.2% | New |
| 12 | Carver Construction, LLC | $1.8M | $0 | 2.2% | New |
| 13 | Victory Contracting LLC | $1.6M | $54K | 1.9% | ▲ 54 |
| 14 | Tahkox Terra JV 1, LLC | $1.5M | $0 | 1.8% | New |
| 15 | Advantage Mechanical LLC | $1.3M | $0 | 1.6% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Mill Creek Firelake JV LLC$12.0M → $25.3M (+$13.3M) · now #1
- SH Mechanical Inc.$0 → $7.3M (+$7.3M) · now #2
- Covington Firelake JV, LLC$0 → $4.2M (+$4.2M) · now #3
Largest declines
- VET First Constructors, LLC$7.1M → $56K (−$7.1M) · now #79
- Greenstone Construction, Inc.$5.3M → $494K (−$4.8M) · now #22
- Mckenzie Construction & Site Development LLC$6.9M → $2.6M (−$4.3M) · now #7
New to this market
91 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| SH Mechanical Inc. | Sep 28, 2026 | $7.3M |
| Covington Firelake JV, LLC | May 5, 2026 | $4.2M |
| Phelan Construction LLC | May 26, 2026 | $3.4M |
| Williams Diversified LLC | Sep 28, 2026 | $3.3M |
| Precision & Co Contractors LLC | Aug 20, 2026 | $2.4M |
| DCM Architecture & Engineering, LLC | May 22, 2026 | $2.3M |
| Alef Synergy Mechanical Corp. | Sep 9, 2026 | $1.8M |
| Carver Construction, LLC | Apr 6, 2026 | $1.8M |
Where the money comes from
Funding sub-agencies within the Department of Agriculture, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Agricultural Research Service | $70.0M | $61.7M | Up $8.2M (13.3%) |
| Forest Service | $5.6M | $3.5M | Up $2.1M (60.4%) |
| Animal and Plant Health Inspection Service | $4.7M | $2.0M | Up $2.7M (138.4%) |
| Agricultural Marketing Service | $987K | $370K | Up $617K (166.8%) |
| Office of the Chief Information Officer | $165K | $561K | Down $396K (70.7%) |
| Natural Resources Conservation Service | $60K | $103K | Down $42K (41.3%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 1232SA25F0260 | Greenstone Construction, Inc. REPLACE WATER SUPPLY INFRASTRUCTURE, MANDAN | $3.9M | Oct 30, 2026 |
| 1232SA25F0041 | Mill Creek Firelake JV LLC DEFERRED MAINTENANCE FOR BLDGS 17, 18, AND THE GREENHOUSES. | $3.9M | Nov 15, 2026 |
| 1232SA25C0043 | Red Bison Services, LLC HVAC REPLACEMENT PHASES 2A. | $4.3M | Dec 2, 2026 |
| 12905B25C0001 | VET First Constructors, LLC AIR HANDLER UNIT REPLACEMENT - FOUR UNITS | $7.2M | Dec 31, 2026 |
| 12805B24F0134 | Firelake Construction Inc FY24 BRL B2 GENERATOR CONSTRUCTION - REPLACE AND INSTALL 2 POWER GENERATORS. | $4.0M | Feb 2, 2027 |
| 1232SA26F0343 | Mill Creek Firelake JV LLC WOODWARD B6 ROOF AND HVAC RENOVATIONS, ASSET #621600B006 | $4.5M | Mar 7, 2027 |
| 1232SA25F0137 | 2a LLC CNRC CRITICAL HVAC UPGRADES | $4.8M | Mar 25, 2027 |
| 1232SA26P0151 | Covington Firelake JV, LLC HVAC REPAIR PHASE 2B, 3A, 3B | $4.2M | May 4, 2027 |
| 1232SA26C0029 | SH Mechanical Inc. 4 PART CONSTRUCTION PROJECT TO UPGRADE BOILERS AT THE ALBANY, CA WRRC | $7.3M | Sep 27, 2027 |
| 1232SA26F0690 | Mill Creek Firelake JV LLC ELECTRICAL SWITCHGEAR PLC AND ASCO REPAIR AND REPLACEMENT, NBAF, MANHATTAN, KANSAS | $4.7M | Mar 1, 2028 |
Common questions
Who are the top USDA contractors for NAICS 238220?
In the latest 12 months, Mill Creek Firelake JV LLC ($25.3M), SH Mechanical Inc. ($7.3M), Covington Firelake JV, LLC ($4.2M) received the most USDA obligations for plumbing, heating, and air-conditioning contractors.
How concentrated is this market?
The eight largest primes held 64.1% of positive obligations, and Mill Creek Firelake JV LLC alone held 30.8%. 91 contractors won their first obligations in this market during the latest 12 months.
Are any large USDA NAICS 238220 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 1232SA25F0260 (Greenstone Construction, Inc., $3.9M obligated), ending Oct 30, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$21.7MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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